#include<iostream>

int value1=500;

using namespace std;


namespace mynamespace
{
    int value1=4;
    int value2=5;

    int retVal()
    {
	return value1+value2;
    }



}

namespace other
{
    int value1=4423;
    int value2=5324;

    int retVal()
    {
        return value1+value2;
    }



}

int main()
{

    cout<<mynamespace::value1<<"\n";


    using namespace mynamespace;
//    cout<<value1<<"\n";

    cout<<retVal();
    cout<<value1;

}
